src/Model/Storage/Database.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2021, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Model\Storage;
  23
  24 use Friendica\Core\L10n;
  25 use Psr\Log\LoggerInterface;
  26 use Friendica\Database\Database as DBA;
  27
  28 /**
  29  * Database based storage system
  30  *
  31  * This class manage data stored in database table.
  32  */
  33 class Database extends AbstractStorage
  34 {
  35         const NAME = 'Database';
  36
  37         /** @var DBA */
  38         private $dba;
  39
  40         /**
  41          * @param DBA             $dba
  42          * @param LoggerInterface $logger
  43          * @param L10n            $l10n
  44          */
  45         public function __construct(DBA $dba, LoggerInterface $logger, L10n $l10n)
  46         {
  47                 parent::__construct($l10n, $logger);
  48
  49                 $this->dba = $dba;
  50         }
  51
  52         /**
  53          * @inheritDoc
  54          */
  55         public function get(string $reference)
  56         {
  57                 $result = $this->dba->selectFirst('storage', ['data'], ['id' => $reference]);
  58                 if (!$this->dba->isResult($result)) {
  59                         return '';
  60                 }
  61
  62                 return $result['data'];
  63         }
  64
  65         /**
  66          * @inheritDoc
  67          */
  68         public function put(string $data, string $reference = '')
  69         {
  70                 if ($reference !== '') {
  71                         $result = $this->dba->update('storage', ['data' => $data], ['id' => $reference]);
  72                         if ($result === false) {
  73                                 $this->logger->warning('Failed to update data.', ['id' => $reference, 'errorCode' => $this->dba->errorNo(), 'errorMessage' => $this->dba->errorMessage()]);
  74                                 throw new StorageException($this->l10n->t('Database storage failed to update %s', $reference));
  75                         }
  76
  77                         return $reference;
  78                 } else {
  79                         $result = $this->dba->insert('storage', ['data' => $data]);
  80                         if ($result === false) {
  81                                 $this->logger->warning('Failed to insert data.', ['errorCode' => $this->dba->errorNo(), 'errorMessage' => $this->dba->errorMessage()]);
  82                                 throw new StorageException($this->l10n->t('Database storage failed to insert data'));
  83                         }
  84
  85                         return $this->dba->lastInsertId();
  86                 }
  87         }
  88
  89         /**
  90          * @inheritDoc
  91          */
  92         public function delete(string $reference)
  93         {
  94                 return $this->dba->delete('storage', ['id' => $reference]);
  95         }
  96
  97         /**
  98          * @inheritDoc
  99          */
 100         public function getOptions()
 101         {
 102                 return [];
 103         }
 104
 105         /**
 106          * @inheritDoc
 107          */
 108         public function saveOptions(array $data)
 109         {
 110                 return [];
 111         }
 112
 113         /**
 114          * @inheritDoc
 115          */
 116         public static function getName()
 117         {
 118                 return self::NAME;
 119         }
 120 }